DesktopIconTableImpl.cc

#include "otsdaq/ConfigurationInterface/ConfigurationManager.h"
#include "otsdaq/Macros/TablePluginMacros.h"
#include "otsdaq/TablePlugins/DesktopIconTable.h"
#include "otsdaq/TablePlugins/XDAQContextTable/XDAQContextTable.h"
 
#include "otsdaq/WebUsersUtilities/WebUsers.h"
 
#include <stdio.h>
#include <fstream>  // std::fstream
#include <iostream>
using namespace ots;
 
#define DESKTOP_ICONS_FILE \
    std::string(__ENV__("SERVICE_DATA_PATH")) + "/OtsWizardData/iconList.dat"
 
const std::string DesktopIconTable::COL_NAME    = "IconName";
const std::string DesktopIconTable::COL_STATUS  = TableViewColumnInfo::COL_NAME_STATUS;
const std::string DesktopIconTable::COL_CAPTION = "Caption";
const std::string DesktopIconTable::COL_ALTERNATE_TEXT          = "AlternateText";
const std::string DesktopIconTable::COL_FORCE_ONLY_ONE_INSTANCE = "ForceOnlyOneInstance";
const std::string DesktopIconTable::COL_PERMISSIONS        = "RequiredPermissionLevel";
const std::string DesktopIconTable::COL_IMAGE_URL          = "ImageURL";
const std::string DesktopIconTable::COL_WINDOW_CONTENT_URL = "WindowContentURL";
const std::string DesktopIconTable::COL_APP_LINK           = "LinkToApplicationTable";
const std::string DesktopIconTable::COL_APP_LINK_UID       = "LinkToApplicationUID";
 
const std::string DesktopIconTable::COL_PARAMETER_LINK     = "LinkToParameterTable";
const std::string DesktopIconTable::COL_PARAMETER_LINK_GID = "LinkToParameterGroupID";
const std::string DesktopIconTable::COL_FOLDER_PATH        = "FolderPath";
 
const std::string DesktopIconTable::COL_PARAMETER_GID   = "windowParameterGroupID";
const std::string DesktopIconTable::COL_PARAMETER_KEY   = "windowParameterKey";
const std::string DesktopIconTable::COL_PARAMETER_VALUE = "windowParameterValue";
 
const std::string DesktopIconTable::ICON_TABLE =
    ConfigurationManager::DESKTOP_ICON_TABLE_NAME;
const std::string DesktopIconTable::PARAMETER_TABLE = "DesktopWindowParameterTable";
 
// #define COL_NAME "IconName"
// #define COL_STATUS TableViewColumnInfo::COL_NAME_STATUS
// #define COL_CAPTION "Caption"
// #define COL_ALTERNATE_TEXT "AlternateText"
// #define COL_FORCE_ONLY_ONE_INSTANCE "ForceOnlyOneInstance"
// #define COL_REQUIRED_PERMISSION_LEVEL "RequiredPermissionLevel"
// #define COL_IMAGE_URL "ImageURL"
// #define COL_WINDOW_CONTENT_URL "WindowContentURL"
// #define COL_APP_LINK "LinkToApplicationTable"
// #define COL_PARAMETER_LINK "LinkToParameterTable"
// #define COL_PARAMETER_KEY "windowParameterKey"
// #define COL_PARAMETER_VALUE "windowParameterValue"
// #define COL_FOLDER_PATH "FolderPath"
 
const std::string DesktopIconTable::COL_APP_ID = "Id";
// #define COL_APP_ID "Id"
 
//==============================================================================
DesktopIconTable::DesktopIconTable(void) : TableBase(DesktopIconTable::ICON_TABLE)
{
    // Icon list no longer passes through file! so delete it from user's $USER_DATA
    std::system(("rm -rf " + (std::string)DESKTOP_ICONS_FILE).c_str());
 
    // WARNING: the names used in C++ MUST match the Table INFO  //
}
 
//==============================================================================
DesktopIconTable::~DesktopIconTable(void) {}
 
//==============================================================================
void DesktopIconTable::init(ConfigurationManager* configManager)
{
    //  __COUT__ << "*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*" << std::endl;
    //  __COUT__ << configManager->__SELF_NODE__ << std::endl;
 
    unsigned int intVal;
 
    auto childrenMap = configManager->__SELF_NODE__.getChildren();
 
    ConfigurationTree contextTableNode =
        configManager->getNode(ConfigurationManager::XDAQ_CONTEXT_TABLE_NAME);
    const XDAQContextTable* contextTable = configManager->getTable<XDAQContextTable>(
        ConfigurationManager::XDAQ_CONTEXT_TABLE_NAME);
 
    // find gateway host origin string, to avoid modifying icons with same host
    std::string gatewayContextUID = contextTable->getContextOfGateway(configManager);
 
    activeDesktopIcons_.clear();
 
    DesktopIconTable::DesktopIcon* icon;
    bool                           addedAppId;
    bool                           numeric;
    unsigned int                   i;
    for(auto& child : childrenMap)
    {
        if(!child.second.getNode(COL_STATUS).getValue<bool>())
            continue;
        // __COUTV__(child.first);
 
        activeDesktopIcons_.push_back(DesktopIconTable::DesktopIcon());
        icon = &(activeDesktopIcons_.back());
 
        icon->recordUID_ = child.first;
        icon->caption_   = child.second.getNode(COL_CAPTION).getValue<std::string>();
        icon->alternateText_ =
            child.second.getNode(COL_ALTERNATE_TEXT).getValue<std::string>();
        icon->enforceOneWindowInstance_ =
            child.second.getNode(COL_FORCE_ONLY_ONE_INSTANCE).getValue<bool>();
        icon->permissionThresholdString_ =
            child.second.getNode(COL_PERMISSIONS).getValue<std::string>();
        icon->imageURL_ = child.second.getNode(COL_IMAGE_URL).getValue<std::string>();
        icon->windowContentURL_ =
            child.second.getNode(COL_WINDOW_CONTENT_URL).getValue<std::string>();
        icon->folderPath_ = child.second.getNode(COL_FOLDER_PATH).getValue<std::string>();
 
        if(icon->windowContentURL_.size() == 0)
        {
            __SS__ << "Illegal empty URL in Desktop Icon '" << child.first << "'"
                   << __E__;
            __SS_THROW__;
        }
 
        if(icon->folderPath_ == TableViewColumnInfo::DATATYPE_STRING_DEFAULT)
            icon->folderPath_ = "";  // convert DEFAULT to empty string
 
        if(icon->permissionThresholdString_ ==
           TableViewColumnInfo::DATATYPE_STRING_DEFAULT)
            icon->permissionThresholdString_ =
                "1";  // convert DEFAULT to standard user allow
 
        numeric = true;
        for(i = 0; i < icon->permissionThresholdString_.size(); ++i)
            if(!(icon->permissionThresholdString_[i] >= '0' &&
                 icon->permissionThresholdString_[i] <= '9'))
            {
                numeric = false;
                break;
            }
        // for backwards compatibility, if permissions threshold is a single number
        //  assume it is the threshold intended for the WebUsers::DEFAULT_USER_GROUP group
        if(numeric)
            icon->permissionThresholdString_ =
                WebUsers::DEFAULT_USER_GROUP + ":" + icon->permissionThresholdString_;
 
        // remove all commas from member strings because desktop icons are served to
        // client in comma-separated string
        icon->caption_ = removeCommas(
            icon->caption_, false /*andHexReplace*/, true /*andHTMLReplace*/);
        icon->alternateText_ = removeCommas(
            icon->alternateText_, false /*andHexReplace*/, true /*andHTMLReplace*/);
        icon->imageURL_ = removeCommas(icon->imageURL_, true /*andHexReplace*/);
        icon->windowContentURL_ =
            removeCommas(icon->windowContentURL_, true /*andHexReplace*/);
        icon->folderPath_ = removeCommas(
            icon->folderPath_, false /*andHexReplace*/, true /*andHTMLReplace*/);
 
        // add application origin and URN/LID to windowContentURL_, if link is given
        addedAppId                = false;
        ConfigurationTree appLink = child.second.getNode(COL_APP_LINK);
        if(!appLink.isDisconnected())
        {
            // first check app origin
            if(icon->windowContentURL_.size() && icon->windowContentURL_[0] == '/')
            {
                // if starting with opening slash, then assume app should come from
                //  appLink context's origin (to avoid cross-origin issues communicating
                //  with app/supervisor)
                try
                {
                    std::string contextUID = contextTable->getContextOfApplication(
                        configManager,
                        appLink.getValueAsString(),
                        true /* allowOffContexts */);
 
                    if(!appLink
                            .isEnabled())  //demoting off apps, from exception to error, to make it less annoying for users that are disabling apps
                        __COUT_WARN__
                            << "Warning! The target app '" << appLink.getValueAsString()
                            << "' is disabled, which will likely break the behavior of "
                               "the Desktop Icon '"
                            << child.first << ".' To fix, reenable the target app."
                            << __E__;
 
                    // only prepend address if not same as gateway
                    if(contextUID != gatewayContextUID)
                    {
                        // __COUTV__(contextUID);
                        ConfigurationTree contextNode =
                            contextTableNode.getNode(contextUID);
 
                        if(!contextNode
                                .isEnabled())  //demoting off apps, from exception to error, to make it less annoying for users that are disabling apps
                            __COUT_WARN__
                                << "Warning! The parent context '" << contextUID
                                << "' of the target app '" << appLink.getValueAsString()
                                << "' is disabled, which will likely break the behavior "
                                   "of the Desktop Icon '"
                                << child.first
                                << ".' To fix, reenable the target app's parent context."
                                << __E__;
 
                        std::string contextAddress =
                            contextNode.getNode(XDAQContextTable::colContext_.colAddress_)
                                .getValue<std::string>();
                        unsigned int contextPort =
                            contextNode.getNode(XDAQContextTable::colContext_.colPort_)
                                .getValue<unsigned int>();
 
                        //__COUTV__(contextAddress);
                        icon->windowContentURL_ = contextAddress + ":" +
                                                  std::to_string(contextPort) +
                                                  icon->windowContentURL_;
                        //__COUTV__(icon->windowContentURL_);
                    }
                }
                catch(const std::runtime_error& e)
                {
                    __SS__ << "Error finding XDAQ Application origin which was linked to "
                              "Desktop Icon '"
                           << child.first << "': " << e.what() << __E__;
                    ss << "\n\nPlease fix by disabling the Icon, enabling the App or "
                          "fixing the link in the Configurate Tree."
                       << __E__;
                    __SS_THROW__;
                }
            }  // end app origin check
 
            // if last character is not '='
            //  then assume need to add "?urn="
            if(icon->windowContentURL_[icon->windowContentURL_.size() - 1] != '=')
            {
                if(icon->windowContentURL_.find('?') ==
                   std::string::npos)  //if no ? already
                    icon->windowContentURL_ += "?urn=";
                else
                    icon->windowContentURL_ += "&urn=";
            }
 
            // __COUT__ << "Following Application link." << std::endl;
            appLink.getNode(COL_APP_ID).getValue(intVal);
            icon->windowContentURL_ += std::to_string(intVal);
 
            // __COUT__ << "URN/LID=" << intVal << std::endl;
            addedAppId = true;
        }
        // __COUTV__(icon->windowContentURL_);
 
        // add parameters if link is given
        if(!child.second.getNode(COL_PARAMETER_LINK).isDisconnected())
        {
            // if there is no '?' found
            //  then assume need to add "?"
            if(icon->windowContentURL_.find('?') == std::string::npos)
                icon->windowContentURL_ += '?';
            else if(addedAppId ||
                    icon->windowContentURL_[icon->windowContentURL_.size() - 1] !=
                        '?')  // if not first parameter, add &
                icon->windowContentURL_ += '&';
 
            // now add each paramter separated by &
            auto paramGroupMap = child.second.getNode(COL_PARAMETER_LINK).getChildren();
            bool notFirst      = false;
            for(const auto& param : paramGroupMap)
            {
                if(!param.second.isEnabled())
                    continue;
 
                if(notFirst)
                    icon->windowContentURL_ += '&';
                else
                    notFirst = true;
                icon->windowContentURL_ +=
                    StringMacros::encodeURIComponent(
                        param.second.getNode(COL_PARAMETER_KEY).getValue<std::string>()) +
                    "=" +
                    StringMacros::encodeURIComponent(
                        param.second.getNode(COL_PARAMETER_VALUE)
                            .getValue<std::string>());
            }
        }
    }  // end main icon extraction loop
 
}  // end init()
 
//==============================================================================
std::string DesktopIconTable::getRemoteURL(ConfigurationManager* configManager,
                                           const std::string&    localURL) const
{
    std::string retURL;
    std::string contextAddress;
 
    if(localURL.size() && localURL[0] == '/')
    {
        ConfigurationTree contextTableNode =
            configManager->getNode(ConfigurationManager::XDAQ_CONTEXT_TABLE_NAME);
        const XDAQContextTable* contextTable = configManager->getTable<XDAQContextTable>(
            ConfigurationManager::XDAQ_CONTEXT_TABLE_NAME);
 
        std::string gatewayContextUID = contextTable->getContextOfGateway(configManager);
        ConfigurationTree contextNode = contextTableNode.getNode(gatewayContextUID);
 
        contextAddress = contextNode.getNode(XDAQContextTable::colContext_.colAddress_)
                             .getValue<std::string>();
        unsigned int contextPort =
            contextNode.getNode(XDAQContextTable::colContext_.colPort_)
                .getValue<unsigned int>();
 
        try
        {
            if(__ENV__(
                   "OTS_REMOTE_ICONS_NO_PORT_FOWARDING"))  //define this environment variable to not use localhost port forwarding to browser
                contextAddress += ":" + std::to_string(contextPort);
            else
                contextAddress = std::string("http://") + "localhost" + ":" +
                                 std::to_string(contextPort);
        }
        catch(...)
        {
            __COUTT__ << "Ignoring missing environment variable "
                         "OTS_REMOTE_ICONS_NO_PORT_FOWARDING, and assuming localhost "
                         "port forwarding to web browser."
                      << __E__;
            contextAddress =
                std::string("http://") + "localhost" + ":" + std::to_string(contextPort);
        }
        retURL = contextAddress + localURL;
    }
    else  //if no starting '/' assume URL is already complete
        retURL = localURL;
 
    //now add get parameters for remoteGateway
    // if there is no '?' found
    //  then assume need to add "?"
    if(retURL.find('?') == std::string::npos)
        retURL += '?';
    else if(retURL[retURL.size() - 1] != '?')  // if not first parameter, add &
        retURL += '&';
    retURL += "remoteServerOrigin=" + StringMacros::encodeURIComponent(contextAddress) +
              "&remoteServerUrnLid=" +
              std::to_string(XDAQContextTable::XDAQApplication::GATEWAY_APP_ID);
 
    return retURL;
}  // end getRemoteURL()
 
//==============================================================================
std::string DesktopIconTable::removeCommas(const std::string& str,
                                           bool               andHexReplace,
                                           bool               andHTMLReplace)
{
    std::string retStr = "";
    retStr.reserve(str.length());
 
    for(unsigned int i = 0; i < str.length(); ++i)
        if(str[i] != ',')
            retStr += str[i];
        else if(andHexReplace)
            retStr += "%2C";
        else if(andHTMLReplace)
            retStr += "&#44;";
 
    return retStr;
}  // end removeCommas()
 
//==============================================================================
void DesktopIconTable::setAllDesktopIcons(
    const std::vector<DesktopIconTable::DesktopIcon>& newIcons)
{
    activeDesktopIcons_.clear();
    for(const auto& newIcon : newIcons)
        activeDesktopIcons_.push_back(newIcon);
 
}  // end setAllDesktopIcons
 
DEFINE_OTS_TABLE(DesktopIconTable)